名校
解题方法
1 . 在
中,内角
所对的边分别为
且
.
(1)求角
的大小;
(2)若
,且
的面积为
,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d22b31bda922ba80b3d55afc0c9bea.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a81eedf404aeb0a2310a310910f73d83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2023-10-10更新
|
2112次组卷
|
10卷引用:黑龙江省牡丹江市第三高级中学2023-2024学年高二上学期期末数学试题
黑龙江省牡丹江市第三高级中学2023-2024学年高二上学期期末数学试题陕西省汉中市汉台中学2023-2024学年高二上学期期中数学试题海南省文昌市文昌中学、华迈实验中学2023-2024学年高二上学期期中段考数学试题黑龙江省哈尔滨市第六中学校2024年高三上学期10月月考数学试题四川省绵阳中学2023-2024学年高三上学期一诊模拟(四)数学(理科)试题(已下线)模块二 专题4《三角函数与解三角形》单元检测篇 A基础卷 (人教A)(已下线)模块四 专题5 大题分类练(三角)基础夯实练(人教A)四川省叙永第一中学校2024届高三上学期一诊数学(理科)试题四川省泸州市泸州老窖天府中学2024届高三一模数学(文)试题(二)(已下线)第11讲 6.4.3 第2课时 正弦定理 (2)-【帮课堂】(人教A版2019必修第二册)
2 . 双曲线
的焦点坐标为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aa4714c98ff5ed7679c197ca6c49a41.png)
您最近一年使用:0次
名校
解题方法
3 . 给定数列
,若满足
(
且
),且对于任意的
,都有
,则称
为“指数型数列”.若数列
满足:
.
(1)判断数列
是否为“指数型数列”?若是,给出证明;若不是,请说明理由;
(2)设
,若对于任意的
,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7fab51121848ce166035ceab6f4e00b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b513ec2b07b56d03eae65c3680c26b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47502da290030106eb457bdd112509df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f43d294ab10b2f91d9f6faeca749135.png)
(1)判断数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/887cd9040601d3f75083a82e2f28c04b.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/672291bb75d2fc48a5844792b1fe8175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c5870925c09801c0b785dd88a6c69d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
名校
4 . 已知
为等差数列
的前
项和,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/347797e47a01356140789fbb2085e3b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bc625e19e7ca2b9d097f67a3d472e47.png)
A.240 | B.60 | C.180 | D.120 |
您最近一年使用:0次
5 . 已知椭圆
,过椭圆右焦点F的直线l交椭圆于A,B两点,交y轴于点P,设
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/436830896877e1a9111e180d76da1432.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b747db7eaf469c6d1607e4b0d028299f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47378cacf998faffc9e12ff0866287d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be1c3a0c4a850ba3b83544cdbb8e99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/436830896877e1a9111e180d76da1432.png)
您最近一年使用:0次
2024-01-20更新
|
354次组卷
|
2卷引用:黑龙江省大庆市大庆实验中学实验二部2023-2024学年高二上学期期末数学试题
6 . 已知
为每项均为正数等比数列
的前n项积,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d02861a69c4c9a4ba2e966ad732081fe.png)
A.![]() | B.![]() |
C.当![]() ![]() | D.![]() |
您最近一年使用:0次
2024-01-20更新
|
730次组卷
|
3卷引用:黑龙江省大庆市大庆实验中学实验二部2023-2024学年高二上学期期末数学试题
名校
7 . 已知
为抛物线
:
的焦点,直线
与抛物线
交于
两点且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/13/e282a9a7-e0bf-4d71-bdfa-57d06cbcee23.png?resizew=169)
(1)求抛物线
的方程;
(2)直线
:
交抛物线
于
两点,点
与点
关于
轴对称,直线
与直线
交于点
,与直线
交于点
(
为坐标原点),求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b6d8eaacc2d999b37209feba103f9ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/026808536f6b6d265c778e23836fbf13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14b85e5cf0adb6464441d2cc65cc713a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/13/e282a9a7-e0bf-4d71-bdfa-57d06cbcee23.png?resizew=169)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f26aa37e0e6750a03269cd8b4c3d4bc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8918c67d1aa7a519163663b40f3f6aca.png)
您最近一年使用:0次
名校
8 . 已知抛物线C:
,直线
截抛物线C所得弦长为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/13/b71bf385-10e0-46c2-b683-e19611d58519.png?resizew=125)
(1)求p的值;
(2)若直角三角形APB的三个顶点在抛物线C上,且直角顶点P的横坐标为1,过点A、B分别作抛物线C的切线,两切线相交于点Q.
①若直线AB经过点
,求点Q的纵坐标;
②求
的最大值及此时点Q的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ea1ce7588f88b39746159233be9cd82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/13/b71bf385-10e0-46c2-b683-e19611d58519.png?resizew=125)
(1)求p的值;
(2)若直角三角形APB的三个顶点在抛物线C上,且直角顶点P的横坐标为1,过点A、B分别作抛物线C的切线,两切线相交于点Q.
①若直线AB经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fed700b7a3ab2ee7fbae12507033af9.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c97474e2b4212d3e534a0bb09b34d82.png)
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9 . 以直线
为准线的抛物线的标准方程为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb7ca2d544f528ff1afcbb5c365f337.png)
您最近一年使用:0次
10 . 在等差数列
中,已知
,
,
,求数列
的通项公式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19c125166293dddecc0fca93d608a3e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab4cfe3057df9a8047c35a74631e5e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
您最近一年使用:0次